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Report Summary

About Website

Click here to check amazing Trees Ancestry content for France. Otherwise, check out these important facts you probably never knew about trees.ancestry.fr

Commencez par vous-même, puis laissez les Indices d’Ancestry vous aider à étoffer votre arbre généalogique.

Visit trees.ancestry.fr

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value5.7 s

50/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

610 ms

request-header-overrides.js

38 ms

unified-tracking-stub.js

45 ms

p13n.min.js

50 ms

clientlib-site-split.min.ACSHASH9d0a8db51cae58bcf39bd57e2d38f798b4662b13b5a13ed873670031777b9650.css

57 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Trees.ancestry.fr, 36% (16 requests) were made to Ancestrycdn.com and 5% (2 requests) were made to Ancestry.fr. The less responsive or slowest element that took the longest time to load (610 ms) relates to the external source Ancestry.fr.

Content Size

952.6 kB

After Optimization

289.4 kB

In fact, the total size of Trees.ancestry.fr main page is 952.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 493.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 205.5 kB

Original 249.7 kB
After minification 240.9 kB
After compression 44.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 205.5 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 33.7 kB
After minification 33.7 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Trees Ancestry images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 315.5 kB

Original 493.6 kB
After minification 493.6 kB
After compression 178.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 315.5 kB or 64% of the original size.

CSS Optimization

-81%

Potential reduce by 142.2 kB

Original 175.6 kB
After minification 175.5 kB
After compression 33.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Trees.ancestry.fr needs all CSS files to be minified and compressed as it can save up to 142.2 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trees Ancestry. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

FR
Language Claimed

FR
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Trees.ancestry.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Trees.ancestry.fr main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

trees.ancestry.fr

Open Graph description is not detected on the main page of Trees Ancestry. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

Arbre généalogique | Créez un arbre généalogique gratuit sur Ancestry

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)